4621220 has 24 divisors (see below), whose sum is σ = 9756600. Its totient is φ = 1838592.

The previous prime is 4621219. The next prime is 4621231. The reversal of 4621220 is 221264.

It can be written as a sum of positive squares in 4 ways, for example, as 996004 + 3625216 = 998^2 + 1904^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4076 + ... + 5084.

It is an arithmetic number, because the mean of its divisors is an integer number (406525).

Almost surely, 2^4621220 is an apocalyptic number.

It is an amenable number.

4621220 is an abundant number, since it is smaller than the sum of its proper divisors (5135380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4621220 is a wasteful number, since it uses less digits than its factorization.

4621220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4621220 is about 2149.7023049716. The cubic root of 4621220 is about 166.5656899457.

Adding to 4621220 its reverse (221264), we get a palindrome (4842484).

The spelling of 4621220 in words is "four million, six hundred twenty-one thousand, two hundred twenty".